The man called the police. His wallet was stolen.

→ The man (a)  

The last time we saw Peter was on Sunday.

→ We haven't (a)  

Although it rained heavily, they played soccer.

→ In spite of (a)  

Ba said, "I am going to meet your sister in front of the station, Liz".

→ Ba told Liz that (a)  

She is not on board now, so she can't experience these marvelous things.

→ If she (a)  

We watched the football match between Liverpool and Manchester United last Saturday

→ The football match (a)  

Tom failed the exam because of his laziness.

→ Because (a)